9:16 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 4b74e088fef6ce8cc513f935ce236c38bdf5f67b
commit: c34f1652a18c4bd4d0bb9e7c7d946861c3ed73c9 [2923/3376] drm/amd/display: fixed an
error related to 4:2:0/4:2:2 DSC
config: i386-randconfig-a014-20211122
(https://download.01.org/0day-ci/archive/20211124/202111241842.pSYgc67V-lk...)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout c34f1652a18c4bd4d0bb9e7c7d946861c3ed73c9
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
ld: drivers/gpu/drm/amd/display/dc/dsc/rc_calc_dpi.o: in function
`dscc_compute_dsc_parameters':
> drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/rc_calc_dpi.c:116:
undefined reference to `__udivdi3'
vim +116 drivers/gpu/drm/amd/amdgpu/../display/dc/dsc/rc_calc_dpi.c
97
98 int dscc_compute_dsc_parameters(const struct drm_dsc_config *pps, struct
dsc_parameters *dsc_params)
99 {
100 int ret;
101 struct rc_params rc;
102 struct drm_dsc_config dsc_cfg;
103
104 calc_rc_params(&rc, pps);
105 dsc_params->pps = *pps;
106 dsc_params->pps.initial_scale_value = 8 * rc.rc_model_size / (rc.rc_model_size
- rc.initial_fullness_offset);
107
108 copy_pps_fields(&dsc_cfg, &dsc_params->pps);
109 copy_rc_to_cfg(&dsc_cfg, &rc);
110
111 dsc_cfg.mux_word_size = dsc_params->pps.bits_per_component <= 10 ? 48 : 64;
112
113 ret = drm_dsc_compute_rc_parameters(&dsc_cfg);
114 dsc_params->bytes_per_pixel =
115 (uint32_t)(((unsigned long long)dsc_cfg.slice_chunk_size * 0x10000000 +
(dsc_cfg.slice_width - 1))
116 / (uint32_t)dsc_cfg.slice_width); //ROUND-UP
117
118 copy_pps_fields(&dsc_params->pps, &dsc_cfg);
119 dsc_params->rc_buffer_model_size = dsc_cfg.rc_bits;
120 return ret;
121 }
122
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org